l=["abc","apple"]
s="abcpple"
max=-1
res=""
curr_str=""
for i in l:
    k=0
    for j in i:
        if(j in s[k:]):
            k=s.index(j)
            curr_str=curr_str+j
    if(len(res)>max):
        res=curr_str
    curr_str=""
print(res)            
print(len(res))